name: Build and publish Docker image

on:
  push:
    tags:
      - v*
  workflow_dispatch:

env:
  IMAGE_NAME: homarr

jobs:
  # Push image to GitHub Packages.
  # See also https://docs.docker.com/docker-hub/builds/
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Setup
        uses: actions/setup-node@v3
      - name: Checkout
        uses: actions/checkout@v3
      - name: Get yarn cache directory path
        id: yarn-cache-dir-path
        run: echo "::set-output name=dir::$(yarn cache dir)"
      - name: Yarn cache
        uses: actions/cache@v3
        id: yarn-cache # use this to check for `cache-hit` (`steps.yarn-cache.outputs.cache-hit != 'true'`)
        with:
          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
          restore-keys: ${{ runner.os }}-yarn-
      - name: Nextjs cache
        uses: actions/cache@v2
        with:
        # See here for caching with `yarn` https://github.com/actions/cache/blob/main/examples.md#node---yarn or you can leverage caching with actions/setup-node https://github.com/actions/setup-node
          path: |
            ~/.npm
            ${{ github.workspace }}/.next/cache
          # Generate a new cache whenever packages or source files change.
          key: ${{ runner.os }}-nextjs-${{ hashFiles('**/package-lock.json') }}-${{ hashFiles('**.[jt]s', '**.[jt]sx') }}
          # If source files changed but packages didn't, rebuild from a prior cache.
          restore-keys: ${{ runner.os }}-nextjs-${{ hashFiles('**/package-lock.json') }}-
      - run: yarn install --frozen-lockfile
      - run: yarn export
      - name: Cache build output
        uses: actions/cache@v2
        id: restore-build
        with:
          path: ./out/
          key: ${{ github.sha }}

  docker:
    needs: [build]
    runs-on: ubuntu-latest
    permissions:
      packages: write
      contents: read
    steps:
      - name: Checkout
        uses: actions/checkout@v2
      - uses: actions/cache@v2
        id: restore-build
        with:
          path: ./out/
          key: ${{ github.sha }}
      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v4
        with:
          # list of Docker images to use as base name for tags
          images: |
            ajnart/homarr
            ghcr.io/ajnart/homarr
          # generate Docker tags based on the following events/attributes
          tags: |
            type=raw,value=latest,enable={{is_default_branch}}
            type=pep440,pattern={{version}}
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
      - name: Login to DockerHub
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - name: Login to GHCR
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push
        uses: docker/build-push-action@v3
        with:
          platforms: linux/amd64,linux/arm64,linux/arm/v7
          context: .
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}